Difference between revisions of "203 - Removing Drainage Structures, Culverts, and Sewers"

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<center><span STYLE="font: 40pt arial;">'''Removing Drainage Structures, Culverts, and Sewers'''</span></center>
 
<center><span STYLE="font: 40pt arial;">'''Removing Drainage Structures, Culverts, and Sewers'''</span></center>
  
<center>[http://mdotcf.state.mi.us/public/specbook/files/2012/203%20Rem%20Dr%20Str,%20Culv,%20Sewers.pdf 2012 STANDARD SPECIFICATIONS FOR CONSTRUCTION - SECTION 203]</center>
 
  
 
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==[[#GENERAL|GENERAL]]==
==GENERAL==
 
  
 
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==MATERIALS==
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==[[#MATERIALS|MATERIALS]]==
  
 
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==CONSTRUCTION==
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==[[#CONSTRUCTION|CONSTRUCTION]]==
  
  
===Drainage Structures===
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===[[#Drainage Structures|Drainage Structures]]===
  
 
When removing or abandoning a drainage structure, any live sewers connected to them will be rebuilt and properly connected through the removal area.
 
When removing or abandoning a drainage structure, any live sewers connected to them will be rebuilt and properly connected through the removal area.
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===Culvert or Sewer===
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===[[#Culvert or Sewer|Culvert or Sewer]]===
  
 
When a culvert pipe and/or sewer pipe is to be removed, the culvert pipe and/or sewer pipe (and end treatments) are to be completely removed.
 
When a culvert pipe and/or sewer pipe is to be removed, the culvert pipe and/or sewer pipe (and end treatments) are to be completely removed.
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==MEASUREMENT AND PAYMENT==
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==[[#MEASUREMENT AND PAYMENT|MEASUREMENT AND PAYMENT]]==
  
 
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[[Category:Construction Manual]]
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[[Category:Divison 2]]
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[[Category: Section 203]]

Latest revision as of 17:44, 12 January 2022

203
Removing Drainage Structures, Culverts, and Sewers


GENERAL

-Reserved-

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MATERIALS

-Reserved-

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CONSTRUCTION

Drainage Structures

When removing or abandoning a drainage structure, any live sewers connected to them will be rebuilt and properly connected through the removal area.

Service must be maintained during these construction operations.

When removal of the drainage structure is called for, the cover should be removed and the structure should be removed entirely.

Where abandoning of the drainage structure is called for, the cover should be removed and the structure should be broken down to an elevation at least 3 feet (1 m) below the final pavement surface or at least 3 feet (1 m) below the final ground elevation.

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Culvert or Sewer

When a culvert pipe and/or sewer pipe is to be removed, the culvert pipe and/or sewer pipe (and end treatments) are to be completely removed.

When existing pipe is to be extended, only those portions of the existing pipe needed to make a proper connection will be removed.

All pipe to be abandoned is to be bulkheaded with Grade P2 or S3 concrete or with brick/block masonry. See subsection 402.03 of the Standard Specifications for Construction.

The bulkhead should extend from the inner wall of the drainage structure at least 1 foot (0.3 m) into the pipe.

Any pipe with a top elevation within 5 feet (1.5 m) of the top of the pavement will be reviewed for removal.

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MEASUREMENT AND PAYMENT

-Reserved-

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